- At the age of 13, she was diagnosed with Guillain-Barré syndrome(GBS), an autoimmune disorder affecting 2 to 3 out of every 100,000 people, and recovered after 3 months of treatment.

- A natural athlete, until she was diagnosed with GBS, she played basketball from the age of 6, but had to quit due to treatment. After she was suggested to take up athletics post-treatment, she started competing in the high jump, going on to participate in 7 national athletics tournaments.

- When she realized that there is only one life to live after her father’s unexpected, premature death, when he was hit by a car, Hiroko decided to send her application for the 2008 Miss Universe Japan competition.

- On April 3rd, 2008 she won the competition going on to represent Japan at the Miss Universe 2008 pageant in Nha Trang, Vietnam, held on July 14th, 2008, finishing in the Top 15 and Best of Asia.

- She then acted as a trainer for the 2009 Miss Universe Japan contestants, and eventually acted as the MC for the final event.

- Currently, she spends her time working as a model, sports reporter, and talent, while participating in charitable events to support disadvantaged children worldwide.

- Hiroko is exotic, smart, compassionate, determined and terribly beautiful. She was just asked to be represented by one of the top talent agencies worldwide and will soon be heading to Los Angeles and make it her new base. Congratulation Hiroko, you deserve all of it!